Table Of Contents - Dave Embedded Systems AXEL LITE Hardware Manual

AXEL LITE Hardware Manual

Table of Contents

1 Preface.....................................................................................................................................6
1.1 About this manual.............................................................................................................6
1.2 Copyrights/Trademarks....................................................................................................6
1.3 Standards..........................................................................................................................6
1.4 Disclaimers.......................................................................................................................6
1.5 Warranty...........................................................................................................................6
1.6 Technical Support.............................................................................................................7
1.7 Related documents...........................................................................................................8
1.8 Conventions, Abbreviations, Acronyms............................................................................8
2 Introduction............................................................................................................................10
2.1 Product Highlights...........................................................................................................12
2.2 Block Diagram................................................................................................................13
2.3 Feature Summary...........................................................................................................14
3 Design overview.....................................................................................................................16
3.1 Freescale i.MX6 application processor..........................................................................16
3.2 DDR3 memory bank.......................................................................................................18
3.3 NOR flash bank..............................................................................................................18
3.4 NAND flash bank............................................................................................................19
3.5 Memory Map...................................................................................................................19
3.6 Power supply unit...........................................................................................................20
3.7 CPU module connectors.................................................................................................20
4 Mechanical specifications......................................................................................................21
4.1 Board Layout..................................................................................................................21
4.2 Connectors.....................................................................................................................22
5 Power, reset and control........................................................................................................23
5.1 Power Supply Unit (PSU) and recommended power-up sequence...............................23
5.1.1 Power-up sequence................................................................................................24
5.1.2 Power rails and related signals...............................................................................25
5.2 Reset scheme and control signals.................................................................................26
5.2.1 CPU_PORn.............................................................................................................26
5.3 System boot....................................................................................................................27
5.3.1 Boot options............................................................................................................27
5.3.1.1SPI NOR / SD option........................................................................................27
5.3.1.2NAND / SD option.............................................................................................28
5.4 Clock scheme.................................................................................................................28
5.5 Recovery.........................................................................................................................28
5.5.1 JTAG Recovery.......................................................................................................28
5.5.2 USB Recovery.........................................................................................................29
5.5.3 SD/MMC Recovery..................................................................................................29
October, 2016
v. 0.9.5
3/63